Math, asked by ab200475, 7 months ago

sec 4+1
. Prove that
sec 4-1
sec A +1
= 2 cosec,
sec 4-1
 \sqrt{sec  \: a - 1 \div sec \: a + 1 \:  \:  }

Answers

Answered by Anonymous
0

First rationalise it then solve.

MARK AS BRAINLIEST!! :-)

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